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La nébuleuse planétaire de la Lyre (Messier 57) est le reste d'une étoile comparable au Soleil qui a lentement rejeté son enveloppe externe de gaz loin dans l'espace après avoir fini sa vie d'étoile. Image réalisée avec une caméra Altaïr GP-Cam montée sur un Barlow x 2 au foyer d'un télescope Skywatcher 150/750. Les images, peu nettes en raison probablement de la turbulence, étaient pauvres en étoiles ce qui m'a empêché d'empiler ces 42 clichés automatiquement avec un logiciel adapté, c'est pourquoi je les ai alignées à la main avec GIMP.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
This image is a composite of the Ring Nebula (Messier 57). This combines new Hubble Wide Field Camera 3 data with observations of the nebula’s outer halo from the Large Binocular Telescope (LBT) in Arizona, USA. In this image, the knotty, turbulent space around the nebula shows up dramatically, creating an almost psychedelic effect. The Large Binocular Telescope is part of the Mount Graham International Observatory in Arizona.
Photo traitée à partir des mêmes bruts que la photo de Mathias ici : www.flickr.com/photos/13453036@N02/50029728373
Traitement légèrement différent, avec un peu plus de bruit restant, mais ça confirme qu'IC 1296 est présente.
This little gem - Messier 57 or NGC 6720 - is a planetary nebula in the constellation Lyra. "Planetary" is a misnomer based on early astronomers' misunderstandings of what such objects were. It is actually ionized gases shed from a star late in its life. Cropped from an image captured on an ASI585MC camera attached to my Sky-Watcher Explorer 150P in Colchester UK, with a ZWO UV/IR cut filter and Baader MPCC III coma corrector, on an EQ5 Pro mount, unguided. I shot 300 x 20" exposures at Gain 300, but a lot of them were useless because of passing clouds overnight. Here are the best stacked in Astro Pixel Processor and tweaked in Lightroom.
The sky is too cloudy and full of moisture tonite for any astrophotography, so I went back to some old data I had. This is Messier 57, otherwise known as the Ring Nebula. It is about 2500 light years away and spans 1/10 the size of the full moon on the sky. Right now it's almost directly overhead at about 11pm, in the constellation Lyra, near the bright star Vega. I gathered the images for this back in 2015 with a Canon Rebel and 300mm prime lens, but my newer laptop processor does a much better job with the image stacking. This is what how our Sun will expire: not as a big flashy supernova, but after its red giant phase it will go through a series of pulsations and end as an ephemeral shell of expanding, diffuse and slightly glowing gas fluorescing because of the white-hot, Earth-sized chunk of carbon that was once its fusion core. (JPOD 217) #photoaday #pictureaday #messier57 #ringnebula #planetarynebula
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
La nébuleuse planétaire de la Lyre (M57). C'est ce qu'il reste d'une étoile un peu plus massive que le Soleil après sa mort : dans cinq milliards d'années, notre Soleil deviendra une étoile géante rouge quand il aura fusionné tout son hydrogène en hélium, et commencera à fusionner son hélium tout en éjectant de la matière en quantités de plus en plus grandes. Plus tard ce qu'il restera de cette matière éjectée sera un grand nuage de gaz qui ressemblera à cette belle nébuleuse... La couleur rouge, au bord, signale la présence d'hydrogène ; la couleur bleu-vert au centre signale la présence d'oxygène, un élément plus massif fabriqué par ces vieilles étoiles. Photo prise avec une caméra GC-Cam au foyer d'un télescope Skywatcher 150/750. Photo fortement retraitée avec GIMP pour retirer le bruit de fond. Par contre, je n'ai pas touché à la répartition des couleurs, juste augmenté le contraste et la luminosité !
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
M57 is a planetary nebula, the glowing remains of a sun-like star. It was a star like our sun so after it became a red giant it was still too small to go full Supernova. When it exploded as a Nova it left this cloud of debris behind. The tiny white dot in the centre of the nebula is the star’s hot core, called a white dwarf. M57 is about 2,000 light-years away in the constellation Lyra.
Image taken on 29 September 2023.
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Camera/ Telescope Seestar S50
Light pollution filter. (Duo band OIII 30nm Ha 20nm)
Nine 10 second exposures
Frames stacked in Astro Pixel Processor
Adjusted with Photoshop CS4
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
M57, Celestron 8"HD CGEM with ASI1600mm camera, LRGB
One of my favourite planetary nebulas, which are formed by sunlike stars exploding, leaving behind a planet-sized white dwarf
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.
A process of M57, The Ring Nebula, from image data I took a few months ago. I think something happened with the tracking in one of the images so now I need to find which one and remove it from the image stack. (JPOD 282) #messier57 #ringnebula #planetarynebula #astrophotography #deepskyphotography
Hubble (2013-05-23) M 57, Messier 57, NGC 6720, Ring Nebula (Hubble) - Wide-field image of the Ring Nebula (ground-based image)
Hubble (2013-05-23) M 57, Messier 57, NGC 6720, Ring Nebula 01 (Hubble) - The region around the Ring Nebula (Hubble LBT composite)
Hubble (2013-05-23) M 57, Messier 57, NGC 6720, Ring Nebula 02 (Hubble) - Hubble image of the Ring Nebula (Messier 57)
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57. From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary. However, new observations combining existing ground-based data with new NASA/ESA Hubble Space Telescope data show that the nebula is shaped like a distorted doughnut. This doughnut has a rugby-ball-shaped region of lower-density material slotted into in its central “gap”, stretching towards and away from us.